Ruckus Wireless (RKUS) priced its IPO atop its expected range, but shares fell early on the first day of trading Fri. The company, which sells network gear to wireless service providers, raised $126 mil late Thu. by pricing 8.4 mil shares at 15 apiece. Ruckus came to market with strong fundamentals and an innovative Wi-Fi technology. Customers include Time Warner Cable (TWC) and British Sky Broadcasting (OTCPK:BSYBY). Ruckus shares fell 18.3% to 12.25.